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Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
Allows for 2-way airflow adjustment
Flush core and frame provides smooth surface
are enclosed in the valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Steel multi-shutter damper * Soft White Options * 845 O - steel lever operated opposed blade damper * Tamper proof screws * Standard Color
Opposed Blade Volume Damper 3000-0BD-62X56 Commercial Extruded aluminum frame with steelh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
